Tags: Drug.
Levonorgestrel (or l-norgestrel or D-norgestrel) (Plan B Next Choice Postinor the morning after pill and others) is a second generation synthetic progestogen used as an active ingredient in some hormonal contraceptives including combined oral contraceptive pills progestogen only pills emergency contraceptive pills intrauterine systems contraceptive implants and hormone replacement therapy.It is on the World Health Organization’s List of Essential Medicines a list of the most important medication needed in a basic health system.
